Sha256: 6035979994ad228ad626d266fea81e18032fb48d88c6d50cc302114b6fd1c572
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Versions: 135
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Stored size: 1.08 KB
Contents
/**
* Copyright 2005-2007 Xue Yong Zhi
* Distributed under the BSD License
*/
package com.xruby.compiler.parser;
import antlr.*;
import antlr.collections.*;
/**
* CommonAST(default) from Antlr does not store line information.
* So we extend it, so use setASTNodeClass() to set it up in parser.
*/
public class ASTWithLineNumber extends CommonAST {
private static final long serialVersionUID = 1L;
private int line_ = 0;
private static int last_line_ = 0;//help initialize(int t, String txt)
public static void resetLineNumber() {
last_line_ = 0;
}
public void initialize(Token tok) {
super.initialize(tok);
line_ = tok.getLine();
last_line_ = line_;
}
public void initialize (AST ast) {
assert(false);//I have not see this one being used
super.initialize(ast);
if (ast instanceof ASTWithLineNumber){
line_ = ((ASTWithLineNumber)ast).getLine();
last_line_ = line_;
}
}
public void initialize(int t, String txt) {
super.initialize(t, txt);
line_ = last_line_;
}
public int getLine() {
return line_;
}
}
Version data entries
135 entries across 135 versions & 2 rubygems